Unidentified photographer / artist, 1871, Head-rest used in the United States, Book illustration, Google Books, LL/34879
Unidentified photographer / artist 1871 Head-rest used in the United States
Book illustration Google Books Published in "Handbook of the Practice and Art of Photography" by Dr. Hermann Vogel, translated by Edward Moelling (Philadelphia: Benerman & Wilson, 1871), p.41, fig.16.
